import sys

print(sys.modules.keys())  # 看已加载模块
help("modules")  # 列出所有可用模块
print("\n")

import machine

print("machine:")
print(dir(machine))
print("\n")

import esp

print("esp:")
print(dir(esp))
print("\n")

import deflate

print("deflate:")
print(dir(deflate))
print("\n")

import websocket

print("websocket:")
print(dir(websocket))
print("\n")
